Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o somado do Crowd que tem um time visitante que marcou 19.15 (129)?
 ###Tabelas: CREATE TABLE tour_dates (tour_dates_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, City VARCHAR, Country VARCHAR, Venue VARCHAR, Tickets available since VARCHAR, Attendance INT, Comment VARCHAR) CREATE TABLE round_11 (round_11_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Venue VARCHAR, Crowd INT, Date VARCHAR) CREATE TABLE tourism (tourism_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, Tourist arrivals (2011) (Millions) VARCHAR, Tourism receipts (2011) (Millions of US$) INT, Tourism receipts (2011) (US$ per arrival) INT, Tourism receipts (2011) (US$ per capita) INT, Tourism receipts (2003) (as % of GDP) VARCHAR, Tourism receipts (2003) (as % of exports) VARCHAR, Direct and indirect employment in tourism (2005) (%) VARCHAR, Tourism competitiveness (2011) (TTCI) VARCHAR) CREATE TABLE 2009-10_table (2009-10_table_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Played VARCHAR, Drawn VARCHAR, Lost VARCHAR, Points for VARCHAR, Points against VARCHAR, Tries for VARCHAR, Tries against VARCHAR, Try bonus VARCHAR, Losing bonus VARCHAR, Points VARCHAR) CREATE TABLE aircraft_inventory (aircraft_inventory_id AUTO_INCREMENT PRIMARY KEY, Aircraft VARCHAR, Origin VARCHAR, Type VARCHAR, Versions VARCHAR, In service VARCHAR)  
SELECT SUM Crowd FROM round_11 WHERE Away team score = 19.15 (129)